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-rw-r--r--drivers/dma/of-dma.c14
-rw-r--r--include/linux/of_dma.h1
2 files changed, 1 insertions, 14 deletions
diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c
index 268cc8ab34e8..75334bdd2c56 100644
--- a/drivers/dma/of-dma.c
+++ b/drivers/dma/of-dma.c
@@ -35,8 +35,7 @@ static struct of_dma *of_dma_find_controller(struct of_phandle_args *dma_spec)
struct of_dma *ofdma;
list_for_each_entry(ofdma, &of_dma_list, of_dma_controllers)
- if ((ofdma->of_node == dma_spec->np) &&
- (ofdma->of_dma_nbcells == dma_spec->args_count))
+ if (ofdma->of_node == dma_spec->np)
return ofdma;
pr_debug("%s: can't find DMA controller %s\n", __func__,
@@ -64,7 +63,6 @@ int of_dma_controller_register(struct device_node *np,
void *data)
{
struct of_dma *ofdma;
- const __be32 *prop;
if (!np || !of_dma_xlate) {
pr_err("%s: not enough information provided\n", __func__);
@@ -75,17 +73,7 @@ int of_dma_controller_register(struct device_node *np,
if (!ofdma)
return -ENOMEM;
- prop = of_get_property(np, "#dma-cells", NULL);
- if (!prop) {
- pr_err("%s: #dma-cells property is missing\n",
- __func__);
- kfree(ofdma);
- return -EINVAL;
- }
-
-
ofdma->of_node = np;
- ofdma->of_dma_nbcells = be32_to_cpup(prop);
ofdma->of_dma_xlate = of_dma_xlate;
ofdma->of_dma_data = data;
diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h
index 364dda734877..ae36298ba076 100644
--- a/include/linux/of_dma.h
+++ b/include/linux/of_dma.h
@@ -21,7 +21,6 @@ struct device_node;
struct of_dma {
struct list_head of_dma_controllers;
struct device_node *of_node;
- int of_dma_nbcells;
struct dma_chan *(*of_dma_xlate)
(struct of_phandle_args *, struct of_dma *);
void *of_dma_data;